x86, mm: Move zone init from paging_init() on 64-bit

This patch introduces a zone_sizes_init() helper function on
64-bit to make it more similar to 32-bit init.

Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1320155902-10424-2-git-send-email-penberg@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bbaaa005bf0e..3ddda59f7087 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -612,7 +612,7 @@ void __init initmem_init(void)
 }
 #endif
 
-void __init paging_init(void)
+static void __init zone_sizes_init(void)
 {
         unsigned long max_zone_pfns[MAX_NR_ZONES];
 
@@ -623,6 +623,11 @@ void __init paging_init(void)
         max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
         max_zone_pfns[ZONE_NORMAL] = max_pfn;
 
+        free_area_init_nodes(max_zone_pfns);
+}
+
+void __init paging_init(void)
+{
         sparse_memory_present_with_active_regions(MAX_NUMNODES);
         sparse_init();
 
@@ -634,7 +639,7 @@ void __init paging_init(void)
          */
         node_clear_state(0, N_NORMAL_MEMORY);
 
-        free_area_init_nodes(max_zone_pfns);
+        zone_sizes_init();
 }
 
 /*